Keywords:
Subsidences (Earth movements).
;
Electronic books.
Type of Medium:
Online Resource
Pages:
1 online resource (541 pages)
Edition:
1st ed.
ISBN:
9780444598349
Series Statement:
Issn Series ; v.Volume 56
URL:
https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=1180753
Language:
English
Note:
Front Cover -- Subsidence: Occurrence, Prediction and Control -- Copyright Page -- Table of Contents -- Preface -- Chapter 1. Natural subsidence and influence of geological processes -- The meaning of subsidence -- Geological cycle in relation to natural subsidence -- Sedimentary basin subsidence -- Dolines, swallow-holes, sink-holes and crown-holes -- Subsidence arising from development of subterranean voids -- Collapse features of natural subsidence in limestone country -- Natural subsidence associated with Permian gypsum beds -- Conclusion -- Chapter 2. Development of concepts and theories of mining subsidence -- Principal developments up to 1900 -- Principal developments 1900 to 1950 -- Emergence of subsidence calculation methods -- Principal developments since 1950 -- Conclusion -- Chapter 3. Mining and ground movement -- Stress re-distribution associated with a mine roadway -- Ground movement associated with a mine roadway -- Ground movement associated with wide extraction -- Ground movement in proximity of the longwall face -- Influence of type of mining operation on the mode of resulting surface subsidence -- Conclusion -- Chapter 4. Methods of predicting mining subsidence -- Basic characteristics of trough subsidence -- Principal methods of predicting mining subsidence -- Empirically derived relationships -- Profile functions -- Functions based on transition point origin -- Functions based on face centre origin -- Influence functions -- Selected influence functions -- Practical application of influence functions -- Comparison of profile functions and influence functions -- Analytical models -- Physical models and prediction of subsidence -- Conclusions -- Chapter 5. Observed behaviour of mining subsidence -- Yorkshire Coalfield mining subsidence observations -- Development of mining subsidence.
,
Effect of gate-side packing on surface subsidence -- Observations on the relationship between subsidence, depth and horizontal strain -- Subsidence observations in the South Limburg Coalfield -- Subsidence observations in the Austrian Tertiary Coal Basins -- Surface effects over the edges of workings -- Effects of previous workings -- Subsidence observations in the Nord-Pas-de-Calais Coal Basin, France -- Mining subsidence observations in South African Coalfields -- Mining subsidence behaviour of thick lignite deposits in Yugoslavia -- Surface subsidence associated with Japanese coal mines -- Surface subsidence observations in Indian coalfields -- Observed behaviour of mining subsidence in Australia -- Mining subsidence observations in US coalfields -- Subsidence observations in Czechoslovakia -- Conclusion -- Chapter 6. Subsidence prediction by the UK empirical model -- Scope of the SEH empirical model -- Subsidence prediction terminology -- Basic relationships between subsidence, extracted seam height, panel width and depth -- Subsidence and strain prediction by SEH (1975) -- Example of determining subsidence and strain profiles -- Extraction of rib pillar between adjacent longwall extractions -- Conclusion -- Chapter 7. Computer based prediction of mining subsidence employing empirical data -- Empirical computer model -- Calculation of horizontal displacement profiles from strain -- Generation of grids of data over whole surface area of influence -- Calculation of principal strains -- Treatment of multi-panel and multi-seam situations -- Computerised predictions of mining subsidence and displacement using influence function methods -- Conclusions -- Chapter 8. Subsidence associated with near-surface tunnels -- Nature and occurrence of subsidence due to tunnelling -- Form of ground movement around near-surface tunnels.
,
Behaviour of a mine surface drift in Coal Measures strata -- Influence of depth on the potential for subsidence to develop above shallow tunnels and drift workings -- Mathematical representation of transverse surface subsidence profile over shallow tunnels -- Subsidence behaviour of a tunnel in Lower Chalk -- Conclusion -- Chapter 9. Subsidence associated with room and pillar mining -- Introduction -- Geometrical character of room and pillar mine layouts -- Factors influencing the stability of room and pillar mine workings -- Forms of surface subsidence -- Consideration of height of caving of collapse-chimney above room intersection -- Influence of overlying aquifer on development of collapse-chimney towards surface -- Sink-hole occurrences associated with Pittsburgh coal mine workings -- Subsidence over room and pillar mines in Illinois -- Sand model demonstration of sink-hole characteristics -- Conclusion -- Chapter 10. Subsidence associated with steeply inclined seams -- Mining aspects of steeply inclined seams -- General character of mining subsidence in steep seam situations -- Ground movement patterns indicated by physical models -- Rotational character of subsiding ground mass -- Surface subsidence prediction over gently dipping seams -- Surface subsidence profile positioning over longwall extractions in steep seams generally -- Surface subsidence strains over longwall extractions in steep seams -- Empirical determination of strain magnitudes in steeply inclined longwall workings -- Influence function methods applied to mining subsidence and displacement prediction -- Case history examples from UK coalfields -- Further discussion on subsidence limit angles -- Concluding remarks -- Chapter 11. Subsidence aspects of sloping ground surfaces -- Room and pillar mining -- Longwall mining: shallow and super-critical extractions.
,
Prediction of subsidence trough profile: SEH (1975) method -- Sloping ground surface subsidence, strain and displacement profiles: influence function method -- Observed behaviour of sloping ground surfaces in relation to mining subsidence -- Summary of potential ground slope instability arising from mining subsidence -- Concluding remarks -- Chapter 12. Rock-salt and potash mining subsidence aspects -- North American experiences of subsidence overlying rock-salt formations -- Introduction to the Cheshire rock-salt subsidence occurrences -- Ashton's salt mine collapse and resulting subsidence -- Early features of the Cheshire rock-salt mines -- Character of the Cheshire rock-salt subsidences -- Principal effects of the Cheshire rock-salt subsidences -- Subsidence arising from brine pumping at Tuzla, Yugoslavia -- Stability of rock-salt mining operations -- Subsidence effects resulting from mining of Louisiana salt domes -- Subsidence and ground control aspects of mining potash -- Ground control behaviour of potash mining in Spain -- Ground control and subsidence aspects arising from Canadian potash mining -- Alsace, France potash mining surface subsidence aspects -- Concluding remarks -- Chapter 13. The time factor in mining subsidence -- Study of time duration for ground movements to transmit to the surface -- Interruptions in the subsidence development curve: tilt observations in the field -- Time-dependence in mining subsidence -- Residual subsidence, location and amount -- Delayed residual subsidence -- Duration of subsidence after longwall face finishes -- Concluding remarks -- Chapter 14. Influence of geological factors on the character of mining subsidence -- Seasonal and climatic influences on variations in ground level -- Ground movements associated with undermining the flood plain of the River Trent -- General effects of near-surface rocks.
,
Abnormal surface movements -- Observations on the influence of surface geology on the character of mining subsidence -- Significance of geological structure -- Effects of faults on surface subsidence behaviour -- Effect of fault on subsidence development curve -- Localised strain effect of fault at surface -- Study of effect of faulting on subsidence -- Generalised likelihood of fault stepping -- Surface fissures associated with mining subsidence -- Common examples of fracture developments in rock structures -- Fissure occurrence in near-surface rocks -- Field observations on occurrence of surface fissures with mining subsidence -- Influence of strength of cover rocks on the resulting amount of maximum subsidence -- Influence of ground conditions and strength of cover rocks on the limits of subsidence -- Concluding remarks -- Chapter 15. Subsidence arising from ground-water withdrawal, oil and gas field activities and underground coal gasification -- Subsidence arising from ground-water withdrawal -- Nature of surface failure and subsidence resulting from ground-water withdrawal: US experiences -- Special problems arising from ground-water withdrawals above sink-hole prone carbonate bedrock conditions -- Subsidence over oil and gas fields -- Surface subsidence resulting from underground coal gasification -- Concluding remarks -- Chapter 16. Subsidence aspects of abandoned mine workings -- Ancient iron-mine working in the UK -- General features of abandoned mine workings -- Identification and investigation -- Old mine shafts and adits: hazards and treatment -- Guidance on disused shafts -- Ancient mine workings: further remarks on effects and treatment -- Effects of abandoned coal mines: US experiences -- Abandoned limestone workings: West Midlands, UK -- Wednesbury abandoned limestone mine subsidence occurrence.
,
Mineral vein abandoned mines: subsidence occurrences.
Permalink